1. Service response time: Model maintenance and upkeep are the responsibility of the after-sales service department of the model company. The after-sales service department provides personnel allocation and technical support for model maintenance, dust removal, facility and equipment updates, replacements, and troubleshooting. Does not affect the normal display and display of the model. The company will provide maintenance and technical consultation and services for the model at any time with a enthusiastic attitude, good technology, and fast response.

2、除尘：每季度，模型公司将对该项目模型进行一次多面检测，除尘，对模型单体与局部，绿化与环境，光、电、水等系统有可能存在问题的部件、部分进行维修、更换与调整。对相关模型单体与局部，光、电、景观绿化等部件迅捷进行现场维修、更新和更换。

2. Dust removal: Every quarter, the model company will conduct a multi-dimensional inspection of the project model, dust removal, and repair, replace, and adjust the components and parts of the model that may have problems with the individual and local parts, greening and environment, light, electricity, water, and other systems. Quickly carry out on-site maintenance, updating, and replacement of individual and local components such as light, electricity, and landscape greening for relevant models.

3、技术支持：为便于模型的维护更换和保养，以及模型的运输和现场安装，采用模块化设计，将光、电系统集成在各模块中，通过标准化接口和分号线与模型骨架相连，这样在更换某模块时不影响其他部分的光、电设施的运行。

3. Technical support: In order to facilitate the maintenance, replacement and upkeep of the model, as well as the transportation and on-site installation of the model, a modular design is adopted, integrating the optical and electrical systems into each module. They are connected to the model skeleton through standardized interfaces and semicolon lines, so that when replacing a certain module, it does not affect the operation of other optical and electrical facilities.

4、服务期限：

4. Service period:

公司对模型提供（免费维护一年）服务，终身保养，以合同确定的保修时限为准，提供及时的除尘、更新、坏损设备的更换。本公司负责对模型进行维护,保修期满后,本模型在正常使用下可保证长期稳定运行的有关备件、材料。

The company provides (free maintenance for one year) service for the model, lifelong maintenance, based on the warranty period specified in the contract, and timely dust removal, updating, and replacement of damaged equipment. Our company is responsible for maintaining the model. After the warranty period expires, the model can guarantee long-term stable operation of relevant spare parts and materials under normal use.

根据展出的需要，对模型进行定期的局部更新、保证将新的项目的建设成就反映出来，模型验收合格后如需局部更新、调整，我公司以成本价按实计算。

According to the needs of the exhibition, regular partial updates are made to the model to ensure that the construction achievements of the new project are reflected. If partial updates or adjustments are required after the model is accepted, our company will calculate based on the actual cost price.

5、服务人员：相关技术人员到模型所在地进行维护：包括动态、灯光维修、清洁工作、或因参观者损坏进行的维修.并不影响模型的正常展出，同时进行维修记录，以防再次发生。

5. Service personnel: Relevant technical personnel shall go to the location of the model for maintenance, including dynamic, lighting repairs, cleaning work, or repairs caused by damage to visitors. This does not affect the normal display of the model, and maintenance records shall be kept to prevent recurrence.